1 files changed, 98 insertions, 0 deletions
diff --git a/eidas_modules/authmodule-eIDAS-v2/src/main/java/at/asitplus/eidas/specific/modules/authmodule_eIDASv2/utils/eIDASResponseUtils.java b/eidas_modules/authmodule-eIDAS-v2/src/main/java/at/asitplus/eidas/specific/modules/authmodule_eIDASv2/utils/eIDASResponseUtils.java
new file mode 100644
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--- /dev/null
+++ b/eidas_modules/authmodule-eIDAS-v2/src/main/java/at/asitplus/eidas/specific/modules/authmodule_eIDASv2/utils/eIDASResponseUtils.java
@@ -0,0 +1,98 @@
+package at.asitplus.eidas.specific.modules.authmodule_eIDASv2.utils;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.joda.time.DateTime;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.collect.ImmutableList;
+
+import at.asitplus.eidas.specific.modules.authmodule_eIDASv2.Constants;
+import at.gv.egiz.eaaf.core.impl.data.Trible;
+import eu.eidas.auth.commons.attribute.AttributeDefinition;
+import eu.eidas.auth.commons.attribute.AttributeValue;
+import eu.eidas.auth.commons.attribute.AttributeValueMarshaller;
+import eu.eidas.auth.commons.attribute.AttributeValueMarshallingException;
+import eu.eidas.auth.commons.protocol.eidas.impl.PostalAddress;
+
+public class eIDASResponseUtils {
+	private static final Logger log = LoggerFactory.getLogger(eIDASResponseUtils.class);
+	
+	public static final String PERSONALIDENIFIER_VALIDATION_PATTERN = "^[A-Z,a-z]{2}/[A-Z,a-z]{2}/.*";
+	 
+	/**
+	 * Validate a eIDAS PersonalIdentifier attribute value 
+	 * This validation is done according to eIDAS SAML Attribute Profile -  Section 2.2.3 Unique Identifier 
+	 * 
+	 * @param uniqueID eIDAS attribute value of a unique identifier
+	 * @return true if the uniqueID matches to eIDAS to Unique Identifier specification, otherwise false
+	 */
+	public static boolean validateEidasPersonalIdentifier(String uniqueID) {
+		Pattern pattern = Pattern.compile(PERSONALIDENIFIER_VALIDATION_PATTERN );
+		Matcher matcher = pattern.matcher(uniqueID);	
+		return matcher.matches();
+		
+	}
+	
+	
+	/**
+	 * Parse an eIDAS PersonalIdentifier attribute value into it components. 
+	 * This processing is done according to eIDAS SAML Attribute Profile -  Section 2.2.3 Unique Identifier 
+	 * 
+	 * @param uniqueID eIDAS attribute value of a unique identifier
+	 * @return {@link Trible} that contains: 
+	 * 				<br> First : citizen country
+	 * 				<br> Second: destination country
+	 * 				<br> Third : unique identifier
+	 * 	<br> or null if the attribute value has a wrong format
+	 */					
+	public static Trible<String, String, String> parseEidasPersonalIdentifier(String uniqueID) {
+		if (!validateEidasPersonalIdentifier(uniqueID)) {
+			log.error("eIDAS attribute value for " + Constants.eIDAS_ATTR_PERSONALIDENTIFIER 
+					+ " looks wrong formated. Value:" + ((String)uniqueID));				
+			return null;
+			
+		}		
+		return Trible.newInstance(uniqueID.substring(0, 2), uniqueID.substring(3, 5), uniqueID.substring(6)); 
+		
+	}
+
+    public static List<String> translateStringListAttribute(AttributeDefinition<?> attributeDefinition, ImmutableList<? extends AttributeValue<?>> attributeValues) {
+        final List<String> stringListAttribute = new ArrayList<String>();
+        AttributeValueMarshaller<?> attributeValueMarshaller = attributeDefinition.getAttributeValueMarshaller();
+        for (AttributeValue<?> attributeValue : attributeValues) {
+            String valueString = null;
+            try {
+                valueString = attributeValueMarshaller.marshal((AttributeValue) attributeValue);
+                stringListAttribute.add(valueString);
+            } catch (AttributeValueMarshallingException e) {
+                throw new IllegalStateException(e);
+                
+            }
+        }
+        
+        return stringListAttribute;
+        
+    }
+    
+    public static DateTime translateDateAttribute(AttributeDefinition<?> attributeDefinition, ImmutableList<? extends AttributeValue<?>> attributeValues) {
+        if (attributeValues.size() != 0) {
+            final AttributeValue<?> firstAttributeValue = attributeValues.get(0);
+            return (DateTime) firstAttributeValue.getValue();
+
+        }
+        
+        return null;
+    }
+    
+    public static PostalAddress translateAddressAttribute(AttributeDefinition<?> attributeDefinition, ImmutableList<? extends AttributeValue<?>> attributeValues) {
+        final AttributeValue<?> firstAttributeValue = attributeValues.get(0);
+        return (PostalAddress) firstAttributeValue.getValue();
+
+    }
+	
+}